[1000mp] Mark V Handbook for Dummies

Fri Jan 14 06:09:46 EST 2005

Cool, I actually understood that and it filled in a few more blanks. 
Thanks.

73s
Bob
KB4CL

----- Original Message ----- 
From: "Gian Luca Cazzola" <glcazzola at aliceposta.it>
To: "All about Yaesu 1000mp" <1000mp at mailman.qth.net>
Sent: Friday, January 14, 2005 3:42 AM
Subject: Re: [1000mp] Mark V Handbook for Dummies

> The FT1000MP is a an usual superheterodyne receiver that need intermediate 
> if filters for good work.
> For better understanding you must study on amateur radio books what is a 
> superherodyne receiver, if stages  and agc.
> Anyway I will try to explain  to you how is ft1000mp.
> Ft1000MP has, from antenna input to loodspeaker these stages at 
> intermediate radio frequency:
> -70Mhz, with filter wide 15khz for passing all modes (nbfm, am, ssb, 
> digital, cw) (add wonderful Inrad 4khz wide!)
> -8,2 mhz with some filter selections, at least 2,7khz ssb, plus optional 
> 2,1khz, 500hz, 250hz
> -455khz with optional filters.
> If you dont have a cw filter at least at 8,2mhz if stage you have the 
> automatic gain control (agc) working driven from all the signals in the 
> 2,7khz window (a signal can be attenuated by the agc driven from a 
> stronger adjacent signal).
> Also you have an higher level of intemodulations in the receiver becouse 
> you are amplifying all signals in the 2,700hz 8,2mhz windows.
> So it is really necessary for cw reception to use at least 500hz filter at 
> 8,2mhz and if possible 250hz filter.
> Even better is to use, bought from Inrad, the pair 400hz/8,2mhz plus 
> 400hz/455khz - a real wonderful pair for dxing and contesting.
> EDSP filtering is good only for helping to receive signals in the 
> noise -but a lot of cw operators dont like it (even me).
> 73
> Ian IK4EWX
>
> ----- Original Message ----- 
> From: "Bob Main" <bobmain1 at alltel.net>
> To: "All about Yaesu 1000mp" <1000mp at mailman.qth.net>
> Sent: Friday, January 14, 2005 12:30 AM
> Subject: Re: [1000mp] Mark V Handbook for Dummies
>
>
>> OK, if it isn't strickly audio and it sure seems that I could use EDSP in 
>> place of the 250Hz filters in the 2nd and 3rd IF.
>>
>> ----- Original Message ----- 
>> From: "Eugene Klingler" <n8zx at tds.net>
>> To: "All about Yaesu 1000mp" <1000mp at mailman.qth.net>
>> Sent: Thursday, January 13, 2005 7:02 PM
>> Subject: Re: [1000mp] Mark V Handbook for Dummies
>>
>>
>>> its not!
>>> ----- Original Message ----- 
>>> From: "n3drk" <n3drk at triad.rr.com>
>>> To: "All about Yaesu 1000mp" <1000mp at mailman.qth.net>
>>> Sent: Thursday, January 13, 2005 6:56 PM
>>> Subject: Re: [1000mp] Mark V Handbook for Dummies
>>>
>>>
>>>> How can the 240,120,60 hertz ADF be strickly for audio?
>>>>
>>>> john-n3drk
>>>>
>>>>
>>>> ----- Original Message ----- 
>>>> From: "Pete Smith" <n4zr at contesting.com>
>>>> To: "All about Yaesu 1000mp" <1000mp at mailman.qth.net>
>>>> Sent: Thursday, January 13, 2005 5:24 PM
>>>> Subject: Re: [1000mp] Mark V Handbook for Dummies
>>>>
>>>>
>>>> > You can't -- the EDSP is strictly audio, while the IF filters are 
>>>> > much
>>>> > netter at handling the desensing effects of close-in interference.
>>>> >
>>>> > 73, Pete N4ZR
>>>> >
>>>> > At 04:55 PM 1/13/2005, you wrote:
>>>> >
>>>> > >Hadn't got that far on this run.  I do have one question.  As I
>>>> understand
>>>> > >it EDSP is like a filter for CW, playing with it last night it 
>>>> > >worked
>>>> > >GREAT in taking out the surrounding noise.  If I also understand it 
>>>> > >the
>>>> > >240, 120 and 60 are further narrower filters.  If this is true what 
>>>> > >is
>>>> the
>>>> > >need for the optional 250Hz filters in the 2nd and 3rd IF if I can 
>>>> > >use
>>>> the
>>>> > >EDSP to do the same thing?
>>>> > >
>>>> > >Bob
>>>> > >KB4CL
>>>> > >
>>>> > >----- Original Message ----- From: <k5uj at mc.net>
>>>> > >To: <1000mp at mailman.qth.net>
>>>> > >Sent: Thursday, January 13, 2005 9:38 AM
>>>> > >Subject: RE: [1000mp] Mark V Handbook for Dummies
>>>> > >
>>>> > >
>>>> > >>
>>>> > >>I recall what irritated me about the manual was that it clearly 
>>>> > >>told
>>> me
>>>> > >>how to get into the menu system.  I spent time reading about the
>>>> > >>different options and made several changes.  then I looked for
>>>> > >>instructions on how to exit the menu.  I found nothing.  With an 
>>>> > >>hour
>>> or
>>>> > >>two invested in figuring out and putting in some changes, I didn't
>>> want
>>>> > >>to exit the wrong way and loose them.  I spent about 30 minutes 
>>>> > >>going
>>>> > >>over every page.   I couldn't believe they wouldn't put anything in
>>>> there
>>>> > >>about getting out. Anyway, I finally crossed my fingers and pushed 
>>>> > >>the
>>>> > >>same button combination I used to get in and that worked.
>>>> > >>
>>>> > >>
>>>> > >>rob/k5uj
>>>> > >>
>>>> > >>-----Original Message-----
>>>> > >>From: bobmain1 at alltel.net
>>>> > >>To: k5uj at mc.net
>>>> > >>Sent: Jan 12, 2005  6:40 PM
>>>> > >>Subject: [1000mp] Mark V Handbook for Dummies
>>>> > >>
>>>> > >>OK I am  going through this manual for the 4th time trying to
>>> understand
>>>> > >>the AGC, IPO, EDSP, VRF, IDBT, Clarifier, the MIC, KEY and the 
>>>> > >>MOUSE
>>> and
>>>> > >>how they all work together.  Obiviously I stayed away from hamming 
>>>> > >>way
>>>> to
>>>> > >>long because this stuff is as clear as mud.
>>>> > >>
>>>> > >>Bob
>>>> > >>KB4CL
>>>> > >>_______________________________________________
>>>> > >>1000mp mailing list
>>>> > >>1000mp at mailman.qth.net
>>>> > >>http://mailman.qth.net/mailman/listinfo/1000mp
>>>> > >>
>>>> > >>
>>>> > >>
>>>> > >>
>>>> > >>_______________________________________________
>>>> > >>1000mp mailing list
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>>>> > >
>>>> > >_______________________________________________
>>>> > >1000mp mailing list
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>>>> >
>>>> > _______________________________________________
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